Sven Yrvindvideo
5 Oct 2025 Oar attachment
October 4, 2025 · 5 min · 2K views
What this video covers
Sven Yrvind reinforces the oar attachment point on his small boat by laminating three layers of fiberglass over a Divinycell core.▶ 1:08 He performs the layup while the hull remains open, allowing for better visibility and easier access to the compression side of the structure.▶ 0:00 The design incorporates a pipe or bolt assembly to secure the oar, providing a rigid mounting point for rowing.▶ 2:02 Yrvind distinguishes his rowing method from sculling, noting that his approach relies on the mechanical grip of a Venetian gondola-style oar rather than the lift-based fluid dynamics of a sculling oar.▶ 2:42 He draws inspiration from traditional Japanese yolo boats he observed in a northeast Japan fishing village in 1997.▶ 4:21 These vessels utilize a specific geometry that allows the rower to use their legs to exert force against the oar, creating an efficient working position.▶ 5:00 He continues to refine this oar attachment system through ongoing construction and experimentation.▶ 4:55
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